Delta Z-Series Variable In-Line Inductors are available in three flow rates to suit customer’s specific application.Fully variable and calibrated to pick up the foam concentrate between 1% & 6% the Z-Series range is manufactured in corrosion resistant materials and designed for use in conjunction with Delta Low and Medium Expansion Foam Branchpipes or equivalent types.  Very simple to use and fully portable the Z-Series are suited to a wide range of Industrial & Marine sectors.Available in Hi-Viz Yellow as standard, with International Orange upon request. The Z-Series also supports a wide range of international adaptors, ensuring compatibility with existing hoselines.